Finding the Fourth Proportional to 649,172.13, 896,107.55 and 581,068.95
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Solution
The fourth proportional to 649,172.13, 896,107.55 and 581,068.95 is: 802,098.93
Step by Step Solution
- Step 1: Write the proportion equation
649,172.13 : 896,107.55 = 581,068.95 : x - Step 2: Convert to fraction form
649,172.13/896,107.55 = 581,068.95/x - Step 3: Cross multiply
649,172.13x = 896,107.55 × 581,068.95 - Step 4: Simplify right side
649,172.13x = 520,700,270,260.23 - Step 5: Solve for x
x = 520,700,270,260.23/649,172.13 - Step 6: Final answer
x = 802,098.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.